FAQ for Gear of Yieh Chen

Total solution for thread rolling, spline rolling, chipless process and precision gears manufacturer.

FAQ for Gear of Yieh Chen

1. What is the minimum order quantity for gear parts?

Yieh Chen Machinery specializes in the production of customized precision gears. Depending on the size of the module and the complexity of the process, the average batch production quantity is 100~2,000 pieces. However, this does not apply to planned annual production.

2. What are the commonly used gear materials in Taiwan?

Carbon steel S45C, alloy steel SCM440, SNCM439, SCM415, SNCM220, SNCM645, SAE 8620 are all made of Japanese gauge materials. Stainless steel SUS303, SUS304, SUS430, SUS630. For US and European standards, we recommend customers to accept the above-mentioned materials as alternative materials to obtain the price advantage of localized materials.

3. What are the commonly used heat treatment methods for gears production?

Tempering, carburizing, nitriding, full hardening, surface frequency.

4. What is the highest accuracy that gears can achieve?

Commonly used gear standards in Taiwan include Japanese JIS, American AGMA, German DIN, and international standard ISO. The highest grades our company has produced are JIS 0 / AGMA15 / DIN 2 / ISO 2.

5. What is the gear cutting method and production capacity?

As per gear accuracy from high to low:
Gear Grinding: M0.5 ~14, maximum outer diameter Ø500, AGMA 12~15
Gear Shaving: M0.5 ~6, maximum outer diameter Ø400, AGMA 10~13
Gear Shaping: M0.5 ~6, maximum outer diameter Ø600, AGMA 10~13
Gear Hobbing: M0.5 ~20, maximum outer diameter Ø800, AGMA 8~13

6. Is there any quality management system and certification?
Yes, we follow up International Organization for Standardization ISO 9001: 2015 and Aerospace Basic Quality System Standard AS 9100 D.

FAQ for Gear of Yieh Chen - 31 Years Thread Rolling Machines Manufacturer | Yieh Chen

Located in Taiwan, Yieh Chen Machinery Co., Ltd. has been a precision gears, thread rolling and forming machines manufacturer. Their main gears and machines include,spur gears, helical gears, thread rolling machines, spline rolling machines, multi forming machines and special purpose machines, with machine tools from Switzerland, Germany, USA, and Japan to make gears comply with DIN, AGMA, JIS, and GB quality standards.

Yieh Chen Machinery Co., Ltd. is a gear manufacturer of gear for air screw compresser, cnc lathes, machining center, printing machines and more. Also, we providing quality thread rolling machine, spline rolling machine, multi forming machine. Yieh Chen Machinery Co., Ltd is the affiliate of Six Star Group. Six Star was founded in 1975 by Six brothers and devoted to the manufacturing of precision gear products. Yieh Chen Machinery was established in 1984 into the market of machinery industry and is dedicated to produce Thread rolling machine and Spline rolling machine with high quality and durable lifetime.

Yieh Chen has been offering customers high precision gears, thread rolling and forming machines, both with high-quality manufacturing and 39 years of experience, Yieh Chen ensures each customer's demands are met.